80101439 has 8 divisors (see below), whose sum is σ = 87761232. Its totient is φ = 72504640.

The previous prime is 80101429. The next prime is 80101447. The reversal of 80101439 is 93410108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80101439 - 2⁸ = 80101183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80101429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13064 + ... + 18189.

It is an arithmetic number, because the mean of its divisors is an integer number (10970154).

Almost surely, 2^80101439 is an apocalyptic number.

80101439 is a deficient number, since it is larger than the sum of its proper divisors (7659793).

80101439 is a wasteful number, since it uses less digits than its factorization.

80101439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31497.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 80101439 is about 8949.9407260607. The cubic root of 80101439 is about 431.0689808358.

It can be divided in two parts, 8010 and 1439, that added together give a palindrome (9449).

The spelling of 80101439 in words is "eighty million, one hundred one thousand, four hundred thirty-nine".